Determine whether the triangles are congruent using sas sas asa aas HL

What is the least common factor of 6 and 8

Which of the following is the shape of a cross section of the figure shown below

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax